3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array( "foo" => "bar", "biz" => "baz" ); function normalizeCapitalization($assert, $lowercaseParameter) { if (isset($assert[$lowercaseParameter])){ $uppercaseParameter = ucfirst($lowercaseParameter); $assert[$uppercaseParameter] = $assert[$lowercaseParameter]; unset($assert[$lowercaseParameter]); } return $assert; } $test = normalizeCapitalization($test, "foo"); print_r($test);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0030.01516.50
8.3.50.0130.00821.21
8.3.40.0140.00718.63
8.3.30.0170.00319.09
8.3.20.0070.00020.31
8.3.10.0120.00623.45
8.3.00.0090.00923.36
8.2.180.0080.01218.41
8.2.170.0150.00022.96
8.2.160.0100.00322.11
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0070.00317.35
8.2.110.0060.00321.06
8.2.100.0040.00817.50
8.2.90.0070.00019.26
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0080.00017.91
8.2.50.0090.00018.07
8.2.40.0080.00021.12
8.2.30.0060.00319.83
8.2.20.0040.00417.60
8.2.10.0000.00918.06
8.2.00.0060.00318.05
8.1.280.0070.01425.92
8.1.270.0060.00320.21
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00621.05
8.1.230.0040.00717.76
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00721.90
8.1.150.0040.00418.87
8.1.140.0000.00717.39
8.1.130.0030.00317.66
8.1.120.0000.00717.39
8.1.110.0000.00817.44
8.1.100.0000.00717.41
8.1.90.0040.00417.46
8.1.80.0000.00717.27
8.1.70.0030.00317.39
8.1.60.0000.00817.57
8.1.50.0040.00417.48
8.1.40.0000.00717.40
8.1.30.0060.00317.60
8.1.20.0030.00617.55
8.1.10.0050.00217.52
8.1.00.0000.00817.51
8.0.300.0000.00718.77
8.0.290.0050.00316.58
8.0.280.0040.00418.30
8.0.270.0000.00717.06
8.0.260.0040.00417.12
8.0.250.0050.00216.80
8.0.240.0000.00816.93
8.0.230.0000.00716.78
8.0.220.0040.00416.73
8.0.210.0050.00316.86
8.0.200.0040.00416.89
8.0.190.0040.00416.71
8.0.180.0040.00416.86
8.0.170.0050.00316.88
8.0.160.0030.00316.67
8.0.150.0040.00416.79
8.0.140.0040.00416.71
8.0.130.0000.00513.23
8.0.120.0000.00716.81
8.0.110.0000.00816.73
8.0.100.0070.00016.86
8.0.90.0000.00716.64
8.0.80.0110.00416.90
8.0.70.0040.00416.79
8.0.60.0070.00016.84
8.0.50.0040.00416.80
8.0.30.0120.00616.93
8.0.20.0090.00917.40
8.0.10.0040.00416.74
8.0.00.0090.00916.77
7.4.330.0000.00515.18
7.4.320.0060.00016.47
7.4.300.0030.00316.42
7.4.290.0030.00316.60
7.4.280.0050.00216.51
7.4.270.0070.00016.64
7.4.260.0040.00416.38
7.4.250.0030.00316.41
7.4.240.0050.00216.59
7.4.230.0000.00716.71
7.4.220.0090.00916.60
7.4.210.0150.00616.56
7.4.200.0000.00716.36
7.4.160.0150.00616.46
7.4.150.0030.01317.40
7.4.140.0100.00917.86
7.4.130.0120.00616.42
7.4.120.0110.00616.52
7.4.110.0070.01016.52
7.4.100.0120.01216.57
7.4.90.0070.01016.44
7.4.80.0070.01019.39
7.4.70.0160.00316.42
7.4.60.0120.00316.31
7.4.50.0020.00216.58
7.4.40.0070.01016.49
7.4.30.0120.00916.43
7.4.00.0090.00314.97
7.3.330.0000.00513.18
7.3.320.0000.00613.44
7.3.310.0040.00416.40
7.3.300.0030.00316.31
7.3.290.0090.00916.34
7.3.280.0070.00916.38
7.3.270.0070.01117.40
7.3.260.0130.01016.30
7.3.250.0120.00616.32
7.3.240.0140.00716.27
7.3.230.0100.01316.54
7.3.210.0090.00916.28
7.3.200.0070.01016.42
7.3.190.0120.00316.38
7.3.180.0150.00316.48
7.3.170.0090.00616.38
7.3.160.0150.00716.39
7.3.10.0000.01116.71
7.3.00.0110.00316.28
7.2.330.0100.00716.53
7.2.320.0130.00716.63
7.2.310.0030.01316.58
7.2.300.0100.00716.77
7.2.290.0130.00516.84
7.2.130.0060.01116.71
7.2.120.0100.00317.07
7.2.110.0070.00316.77
7.2.100.0080.01116.89
7.2.90.0080.00316.96
7.2.80.0080.00416.72
7.2.70.0030.00916.89
7.2.60.0100.00716.95
7.2.50.0100.00317.16
7.2.40.0000.01216.86
7.2.30.0070.01016.52
7.2.20.0060.00616.86
7.2.10.0070.00717.07
7.2.00.0040.00717.11
7.1.250.0120.00815.70
7.1.70.0040.00417.19
7.1.60.0120.01219.42
7.1.50.0220.00934.50
7.1.00.0030.09722.45
7.0.200.0480.00714.47
7.0.60.0170.08321.63
7.0.50.0030.08317.98
7.0.40.0070.04320.30
7.0.30.0300.06020.13
7.0.20.0230.03720.23
7.0.10.0070.07720.09
7.0.00.0030.06020.30
5.6.280.0000.07020.82
5.6.210.0100.07320.71
5.6.200.0100.08018.28
5.6.190.0070.04720.59
5.6.180.0400.07320.61
5.6.170.0300.07720.56
5.6.160.0130.07320.39
5.6.150.0130.07018.18
5.6.140.0030.04018.16
5.6.130.0030.04318.16
5.6.120.0030.04321.05
5.6.110.0070.08021.12
5.6.100.0170.06721.03
5.6.90.0170.07320.97
5.6.80.0030.04320.41
5.5.350.0270.07720.37
5.5.340.0070.07717.95
5.5.330.0070.05320.37
5.5.320.0370.05720.32
5.5.310.0200.08720.50
5.5.300.0100.06318.02
5.5.290.0100.06318.08
5.5.280.0100.08320.88
5.5.270.0100.09020.89
5.5.260.0030.09020.89
5.5.250.0130.03320.54
5.5.240.0200.05020.26
5.4.450.0400.06019.48
5.4.440.0630.07019.61
5.4.430.0730.05719.70
5.4.420.0770.05319.38
5.4.410.0770.05719.45
5.4.400.0870.05319.15
5.4.390.0800.04719.28
5.4.380.0730.05018.84
5.4.370.0700.05719.29
5.4.360.0800.06719.15
5.4.350.0970.06719.15
5.4.340.0930.06019.26
5.4.320.0900.07019.02
5.4.310.0800.05019.25
5.4.300.0630.05319.25
5.4.290.0570.05719.37
5.4.280.0800.05718.87
5.4.270.0800.06019.25
5.4.260.0800.07019.28
5.4.250.1100.05719.22
5.4.240.0930.05319.25
5.4.230.0900.06719.26
5.4.220.0700.07019.30
5.4.210.0770.05019.10
5.4.200.0700.05716.93
5.4.190.0700.05319.00
5.4.180.0770.05019.13
5.4.170.0870.04318.99
5.4.160.0900.05019.18
5.4.150.0830.05318.96
5.4.140.0770.05016.45
5.4.130.0730.05716.72
5.4.120.0730.05716.32
5.4.110.0670.06016.32
5.4.100.0900.04316.49
5.4.90.0800.06016.53
5.4.80.0770.05716.39
5.4.70.0630.06316.28
5.4.60.0870.04316.41
5.4.50.0770.04716.40
5.4.40.0600.05016.30
5.4.30.0530.05316.31
5.4.20.0530.05716.51
5.4.10.0530.05316.37
5.4.00.0630.05316.02
5.3.290.0600.05314.71
5.3.280.0630.05014.50
5.3.270.0730.05314.50
5.3.260.0630.04714.50
5.3.250.0570.05014.57
5.3.240.0500.05714.65
5.3.230.0630.05714.60
5.3.220.0700.05314.57
5.3.210.0770.05014.57
5.3.200.0630.06014.53
5.3.190.0800.05014.57
5.3.180.0670.05314.56
5.3.170.0770.05714.47
5.3.160.0900.05714.61
5.3.150.0670.04314.46
5.3.140.0730.04714.57
5.3.130.0830.06014.63
5.3.120.0730.05314.44
5.3.110.0930.06014.54
5.3.100.0770.05314.04
5.3.90.0800.08014.17
5.3.80.0730.05714.10
5.3.70.0970.05014.02
5.3.60.0670.04714.09
5.3.50.0530.05313.87
5.3.40.0670.05013.86
5.3.30.0530.05313.82
5.3.20.0630.04313.60
5.3.10.0630.04313.57
5.3.00.0530.05313.50
5.2.170.0500.04011.16
5.2.160.0700.03711.09
5.2.150.0500.05311.15
5.2.140.0630.05711.15
5.2.130.0530.05011.02
5.2.120.0470.04311.33
5.2.110.0630.04311.25
5.2.100.0600.03711.15
5.2.90.0600.02711.03
5.2.80.0430.04711.23
5.2.70.0570.03710.95
5.2.60.0470.04010.95
5.2.50.0470.04710.95
5.2.40.0370.04010.91
5.2.30.0700.04311.11
5.2.20.0370.04711.04
5.2.10.0330.04310.95
5.2.00.0770.04010.86
5.1.60.0530.03310.06
5.1.50.0470.0379.92
5.1.40.0600.0279.85
5.1.30.0500.04010.48
5.1.20.0370.03710.36
5.1.10.0400.03310.22
5.1.00.0370.0409.91
5.0.50.0300.0278.61
5.0.40.0300.0308.57
5.0.30.0200.0478.45
5.0.20.0230.0308.13
5.0.10.0330.0178.22
5.0.00.0230.0438.05
4.4.90.0270.0235.79
4.4.80.0300.0205.88
4.4.70.0300.0175.92
4.4.60.0200.0235.92
4.4.50.0230.0205.85
4.4.40.0270.0435.84
4.4.30.0270.0205.80
4.4.20.0270.0205.82
4.4.10.0270.0205.91
4.4.00.0200.0375.79
4.3.110.0170.0305.69
4.3.100.0230.0205.73
4.3.90.0230.0275.80
4.3.80.0230.0405.79
4.3.70.0200.0275.79
4.3.60.0330.0235.75
4.3.50.0200.0235.71
4.3.40.0200.0435.64
4.3.30.0130.0274.50
4.3.20.0200.0234.50
4.3.10.0100.0234.47
4.3.00.0070.0237.18

preferences:
43.56 ms | 401 KiB | 5 Q